diff --git a/.changeset/config.json b/.changeset/config.json
index 0e214ca..ec262a0 100644
--- a/.changeset/config.json
+++ b/.changeset/config.json
@@ -2,7 +2,17 @@
   "$schema": "https://unpkg.com/@changesets/config@3.1.2/schema.json",
   "changelog": ["@changesets/cli/changelog", { "repo": "objectstack-ai/spec" }],
   "commit": false,
-  "fixed": [],
+  "fixed": [
+    [
+      "@objectstack/spec",
+      "@objectstack/client",
+      "@objectstack/driver-memory",
+      "@objectstack/objectql",
+      "@objectstack/plugin-hono-server",
+      "@objectstack/runtime",
+      "@objectstack/types"
+    ]
+  ],
   "linked": [],
   "access": "public",
   "baseBranch": "main",
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab4e1ef..b202c76 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,20 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
+## [0.3.0] - 2026-01-22
+
 ### Added
 - Comprehensive documentation structure with CONTRIBUTING.md
 - Documentation hub at docs/README.md
@@ -20,14 +34,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 - Updated README.md with improved documentation navigation
 - Enhanced documentation organization following industry best practices
-
-### Deprecated
-
-### Removed
-
-### Fixed
-
-### Security
+- All packages now use unified versioning (all packages released together with same version number)
 
 ## [0.1.1] - 2026-01-20
 
@@ -132,5 +139,6 @@ Mark breaking changes clearly:
 
 ---
 
-[Unreleased]: https://github.com/objectstack-ai/spec/compare/v0.1.1...HEAD
+[Unreleased]: https://github.com/objectstack-ai/spec/compare/v0.3.0...HEAD
+[0.3.0]: https://github.com/objectstack-ai/spec/compare/v0.1.1...v0.3.0
 [0.1.1]: https://github.com/objectstack-ai/spec/releases/tag/v0.1.1
diff --git a/examples/ai-analyst/package.json b/examples/ai-analyst/package.json
index e03ba12..949227d 100644
--- a/examples/ai-analyst/package.json
+++ b/examples/ai-analyst/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/example-ai-analyst",
-  "version": "1.0.0",
+  "version": "1.0.2",
   "description": "AI-powered data analyst with natural language query capabilities",
   "private": true,
   "main": "objectstack.config.ts",
diff --git a/examples/ai-codegen/package.json b/examples/ai-codegen/package.json
index ad65765..a30a891 100644
--- a/examples/ai-codegen/package.json
+++ b/examples/ai-codegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/example-ai-codegen",
-  "version": "1.0.0",
+  "version": "1.0.2",
   "description": "AI code generator - Generate ObjectStack apps from natural language",
   "private": true,
   "main": "objectstack.config.ts",
diff --git a/examples/ai-sales/package.json b/examples/ai-sales/package.json
index b7e9cb9..521b07d 100644
--- a/examples/ai-sales/package.json
+++ b/examples/ai-sales/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/example-ai-sales",
-  "version": "1.0.0",
+  "version": "1.0.2",
   "description": "AI-powered sales assistant with intelligent automation",
   "private": true,
   "main": "objectstack.config.ts",
diff --git a/examples/ai-support/package.json b/examples/ai-support/package.json
index 119f6d9..d0ca1d2 100644
--- a/examples/ai-support/package.json
+++ b/examples/ai-support/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/example-ai-support",
-  "version": "1.0.0",
+  "version": "1.0.2",
   "description": "AI-powered customer support system with RAG knowledge base",
   "private": true,
   "main": "objectstack.config.ts",
diff --git a/examples/crm/CHANGELOG.md b/examples/crm/CHANGELOG.md
index 33d727a..cfe6608 100644
--- a/examples/crm/CHANGELOG.md
+++ b/examples/crm/CHANGELOG.md
@@ -1,5 +1,19 @@
 # @objectstack/example-crm
 
+## 1.0.4
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@1.0.0
+
+## 1.0.3
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@0.3.0
+
 ## 1.0.2
 
 ### Patch Changes
diff --git a/examples/crm/package.json b/examples/crm/package.json
index 7b41c30..ca56faa 100644
--- a/examples/crm/package.json
+++ b/examples/crm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/example-crm",
-  "version": "1.0.2",
+  "version": "1.0.4",
   "description": "Example CRM implementation using ObjectStack Protocol",
   "private": true,
   "scripts": {
diff --git a/examples/host/CHANGELOG.md b/examples/host/CHANGELOG.md
index 4de33ce..601c506 100644
--- a/examples/host/CHANGELOG.md
+++ b/examples/host/CHANGELOG.md
@@ -1,5 +1,30 @@
 # @objectstack/example-host
 
+## 0.1.4
+
+### Patch Changes
+
+- @objectstack/example-crm@1.0.4
+- @objectstack/plugin-bi@1.0.4
+- @objectstack/example-todo@1.0.4
+- @objectstack/driver-memory@1.0.0
+- @objectstack/objectql@1.0.0
+- @objectstack/plugin-hono-server@1.0.0
+- @objectstack/runtime@1.0.0
+
+## 0.1.3
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/driver-memory@0.2.1
+  - @objectstack/objectql@0.2.1
+  - @objectstack/plugin-hono-server@0.2.1
+  - @objectstack/runtime@0.2.1
+  - @objectstack/example-crm@1.0.3
+  - @objectstack/plugin-bi@1.0.3
+  - @objectstack/example-todo@1.0.3
+
 ## 0.1.2
 
 ### Patch Changes
diff --git a/examples/host/package.json b/examples/host/package.json
index 13181e4..e8fef69 100644
--- a/examples/host/package.json
+++ b/examples/host/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/example-host",
-  "version": "0.1.2",
+  "version": "0.1.4",
   "private": true,
   "scripts": {
     "dev": "ts-node src/index.ts",
diff --git a/examples/plugin-bi/CHANGELOG.md b/examples/plugin-bi/CHANGELOG.md
index c765a1a..3c225b7 100644
--- a/examples/plugin-bi/CHANGELOG.md
+++ b/examples/plugin-bi/CHANGELOG.md
@@ -1,5 +1,19 @@
 # @objectstack/plugin-bi
 
+## 1.0.4
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@1.0.0
+
+## 1.0.3
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@0.3.0
+
 ## 1.0.2
 
 ### Patch Changes
diff --git a/examples/plugin-bi/package.json b/examples/plugin-bi/package.json
index 741ab60..2ba5697 100644
--- a/examples/plugin-bi/package.json
+++ b/examples/plugin-bi/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/plugin-bi",
-  "version": "1.0.2",
+  "version": "1.0.4",
   "main": "src/index.ts",
   "license": "MIT",
   "private": true,
diff --git a/examples/todo/CHANGELOG.md b/examples/todo/CHANGELOG.md
index 658a4a4..9517ea6 100644
--- a/examples/todo/CHANGELOG.md
+++ b/examples/todo/CHANGELOG.md
@@ -1,5 +1,21 @@
 # @objectstack/example-todo
 
+## 1.0.4
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@1.0.0
+  - @objectstack/client@1.0.0
+
+## 1.0.3
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@0.3.0
+  - @objectstack/client@0.2.1
+
 ## 1.0.2
 
 ### Patch Changes
diff --git a/examples/todo/package.json b/examples/todo/package.json
index 9f72e95..e5409ca 100644
--- a/examples/todo/package.json
+++ b/examples/todo/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/example-todo",
-  "version": "1.0.2",
+  "version": "1.0.4",
   "description": "Example Todo App using ObjectStack Protocol",
   "private": true,
   "scripts": {
diff --git a/packages/client/CHANGELOG.md b/packages/client/CHANGELOG.md
index 360a052..b960c4f 100644
--- a/packages/client/CHANGELOG.md
+++ b/packages/client/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @objectstack/client
 
+## 0.3.0
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@1.0.0
+
 ## 0.2.0
 
 ### Minor Changes
diff --git a/packages/client/package.json b/packages/client/package.json
index 5fd8538..524e099 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/client",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Official Client SDK for ObjectStack Protocol",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/driver-memory/CHANGELOG.md b/packages/driver-memory/CHANGELOG.md
index 4e86b8c..56d6935 100644
--- a/packages/driver-memory/CHANGELOG.md
+++ b/packages/driver-memory/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @objectstack/driver-memory
 
+## 0.3.0
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@1.0.0
+
 ## 0.2.0
 
 ### Minor Changes
diff --git a/packages/driver-memory/package.json b/packages/driver-memory/package.json
index b9b1110..ae3c7e7 100644
--- a/packages/driver-memory/package.json
+++ b/packages/driver-memory/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/driver-memory",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "In-Memory Driver for ObjectStack (Reference Implementation)",
   "main": "dist/src/index.js",
   "types": "dist/src/index.d.ts",
diff --git a/packages/objectql/CHANGELOG.md b/packages/objectql/CHANGELOG.md
index eb47183..b5bd200 100644
--- a/packages/objectql/CHANGELOG.md
+++ b/packages/objectql/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @objectstack/objectql
 
+## 0.3.0
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@1.0.0
+
 ## 0.2.0
 
 ### Minor Changes
diff --git a/packages/objectql/package.json b/packages/objectql/package.json
index 0696a87..acfe8f3 100644
--- a/packages/objectql/package.json
+++ b/packages/objectql/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/objectql",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Isomorphic ObjectQL Engine for ObjectStack",
   "main": "src/index.ts",
   "types": "src/index.ts",
diff --git a/packages/plugin-hono-server/CHANGELOG.md b/packages/plugin-hono-server/CHANGELOG.md
index 627b365..ac16b2c 100644
--- a/packages/plugin-hono-server/CHANGELOG.md
+++ b/packages/plugin-hono-server/CHANGELOG.md
@@ -1,5 +1,14 @@
 # @objectstack/plugin-hono-server
 
+## 0.3.0
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@1.0.0
+  - @objectstack/runtime@1.0.0
+  - @objectstack/types@1.0.0
+
 ## 0.2.0
 
 ### Minor Changes
diff --git a/packages/plugin-hono-server/package.json b/packages/plugin-hono-server/package.json
index 8a85cd8..6aeaace 100644
--- a/packages/plugin-hono-server/package.json
+++ b/packages/plugin-hono-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/plugin-hono-server",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Standard Hono Server Adapter for ObjectStack Runtime",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
@@ -19,6 +19,6 @@
     "typescript": "^5.0.0"
   },
   "peerDependencies": {
-    "@objectstack/runtime": "^0.2.0"
+    "@objectstack/runtime": "^1.0.0"
   }
 }
diff --git a/packages/runtime/CHANGELOG.md b/packages/runtime/CHANGELOG.md
index 15ba5f7..6261d12 100644
--- a/packages/runtime/CHANGELOG.md
+++ b/packages/runtime/CHANGELOG.md
@@ -1,5 +1,14 @@
 # @objectstack/runtime
 
+## 0.3.0
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@1.0.0
+  - @objectstack/objectql@1.0.0
+  - @objectstack/types@1.0.0
+
 ## 0.2.0
 
 ### Minor Changes
diff --git a/packages/runtime/package.json b/packages/runtime/package.json
index d8f2162..e318116 100644
--- a/packages/runtime/package.json
+++ b/packages/runtime/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/runtime",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "ObjectStack Core Runtime & Query Engine",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/spec/CHANGELOG.md b/packages/spec/CHANGELOG.md
index aa162bf..aea79ab 100644
--- a/packages/spec/CHANGELOG.md
+++ b/packages/spec/CHANGELOG.md
@@ -1,5 +1,18 @@
 # @objectstack/spec
 
+## 0.3.0
+
+### Minor Changes
+
+- Documentation and project structure improvements
+
+  - Comprehensive documentation structure with CONTRIBUTING.md
+  - Documentation hub at docs/README.md
+  - Standards documentation (naming-conventions, api-design, error-handling)
+  - Architecture deep dives (data-layer, ui-layer, system-layer)
+  - Code of Conduct
+  - Enhanced documentation organization following industry best practices
+
 ## 0.2.0
 
 ### Minor Changes
diff --git a/packages/spec/package.json b/packages/spec/package.json
index 1db0a5f..8b768c9 100644
--- a/packages/spec/package.json
+++ b/packages/spec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/spec",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "ObjectStack Protocol & Specification - TypeScript Interfaces, JSON Schemas, and Convention Configurations",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/types/CHANGELOG.md b/packages/types/CHANGELOG.md
index 3718b20..e84c384 100644
--- a/packages/types/CHANGELOG.md
+++ b/packages/types/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @objectstack/types
 
+## 0.3.0
+
+### Patch Changes
+
+- Updated dependencies
+  - @objectstack/spec@1.0.0
+
 ## 0.2.0
 
 ### Minor Changes
diff --git a/packages/types/package.json b/packages/types/package.json
index 60f2aa4..eb82b2c 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@objectstack/types",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "Shared interfaces describing the ObjectStack Runtime environment",
   "main": "src/index.ts",
   "types": "src/index.ts",